FEC SAN3-DP2S Display Unit

Description

Product Introduction & Engineering Value

A failed operator display can bring an otherwise healthy fastening controller to a standstill. The FEC SAN3-DP2S provides the human-machine interface required to monitor fastening results, adjust parameters, and retrieve production data from SAN-series systems.

For plants maintaining legacy FEC AFC1500 or DSP1500 fastening equipment, replacing this interface unit is often faster and less disruptive than modifying the entire controller architecture. The key is matching the correct SAN model, mounting configuration, and communication requirements.

Technical Specifications

The SAN3-DP2S adds RS-232C output capability compared with DP1-type units, allowing fastening data transfer to printers, computers, or external data collection equipment.

Field Application & The “Trench” Experience

A vehicle component assembly plant operating an older FEC AFC1500 fastening line began losing access to torque result records. The fastening controller itself continued running, but operators could no longer view parameters or collect production data from one station.

Maintenance traced the problem to a failing SAN3-DP2S display interface. During a planned shift change, technicians installed a tested replacement, confirmed keypad operation, restored RS-232C data communication, and verified fastening result output against the production tracking system.

The practical lesson: operator interface hardware is part of the quality-control chain. A display module failure can affect traceability even when the fastening controller remains operational.

Typical applications include:

• Automotive torque-controlled fastening stations
• Electric servo press assembly cells
• Production lines requiring fastening result traceability
• Standalone FEC SAN controller installations

SAN3-DP2S

SAN3-DP2S

Transparency SOP: QA & Testing

Before a SAN3-DP2S enters spare inventory, verification should include:

1. Physical inspection
   • Confirm FEC model markings
   • Check display window condition
   • Inspect keypad membrane response
   • Examine connector condition
2. Functional testing
   • Power up with compatible SAN controller
   • Verify parameter navigation
   • Confirm display readability
   • Test button functions
3. Communication validation
   • Check RS-232C output
   • Verify serial data transmission
   • Confirm result data format

A replacement display unit should be tested as an operating interface, not simply confirmed as a powered electronic component.

The Veteran’s Tech Trap Guide

⚠️ Do not assume SAN-DP models are interchangeable

FEC uses different display versions across SAN controller families. SAN3-DP2S units were introduced as RoHS-compatible replacements and include updated functions compared with earlier SAN-DP versions.

⚠️ RS-232C settings must match the receiving device

The serial output requires correct communication parameters. A connected PC or printer may fail to receive data if baud rate, wiring, or handshake settings are incorrect.

PRO TIP: Save the original parameter settings before replacing the display. The display unit is often used during commissioning and troubleshooting.

⚠️ Mounting compatibility matters

Different SAN units use different display mounting arrangements. Verify the controller model before ordering a replacement.

Dynamic FAQ

Q1. What is the FEC SAN3-DP2S used for?

The SAN3-DP2S is a display and programming unit for FEC SAN-series fastening controllers. It allows operators to view results, adjust parameters, and output fastening data.

Q2. What is the difference between SAN3-DP1S and SAN3-DP2S?

The SAN3-DP2S includes an RS-232C serial interface for fastening result data output, while the DP1S does not provide the same external data output capability.

Q3. Which systems use the SAN3-DP2S?

The unit is used with FEC AFC1500 and DSP1500 SAN-series fastening systems.

Q4. Can the SAN3-DP2S be replaced without configuration work?

Usually the hardware replacement is straightforward, but operators should verify display compatibility, system parameters, and RS-232C communication settings.

Q5. Are refurbished SAN3-DP2S units tested before shipment?

A qualified refurbished unit should include display testing, keypad verification, controller communication checks, and serial output validation.

Q6. What warranty applies to a replacement SAN3-DP2S?

Warranty depends on supplier testing procedures and product condition. Industrial automation spare suppliers typically provide limited functional warranty coverage for tested surplus or refurbished units.